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Description
| High Light | Wireline Coring Drill Rod，Drill Rod，Diamond Coring Drill Rod |
| Material | High Quality Alloy Steel 30CrMnSiA/ 4130 |
| Capacity | 1800m |
| Application | Mineral Exploration For transmitting The Power To The Bit In The Hole |
| Type | Drill Pipe |
| Processing Type | Thru-wall Heat treatment, Case Hardening |
| Size Available | BQ NQ HQ And PQ |
| O.D | 88.9mm |
| I.D | 77.8mm |
| Place of Origin | Wuxi |
| Brand Name | CORE MASTER |
| Certification | ISO |
| Model Number | H/WL |
| Minimum Order Quantity | 10 pieces |
| Price | $125-180 |
| Packaging Details | steel frame |
| Delivery Time | 7-10 days |
| Payment Terms | T/T, L/C, Western Union, D/A, D/P, MoneyGram |
| Supply Ability | 1000-1200 pieces per month |
HW DCDMA Borehole Wireline Drill Pipe Casing For Geotechnical Environmental Drilling
HW DCDMA borehole wireline casing tubes
This casing is intended for single use or situations where the casing is left in the hole. The HW casing is made from DCDMA tubing and utilize the DCDMA W thread form. The HW thread is a straight thread (4 threads per inch). This casing is universal in design and can be used in any drilling application where threaded casing is required to be left in the ground.
Features
TUBING
Parallel wall tubing compatible with Wireline in-hole tools Standard DCDMA W sizes allow ‘nesting’ of other W casing
THREAD DESIGN
Double-butt joint gives strength in driving and jarring
| Type | O.D./ I.D. | Recommended Drilling Depth |
| B/WL Drill Rod | Φ55.6mm/Φ46mm | 1200m |
| N/WL Drill Rod | Φ70.1mm/Φ60.1mm | 1800m |
| H/WL Drill Rod | Φ88.9mm/Φ77.8mm | 1800m |
| P/WL Drill Rod | Φ114.3mm/Φ101.6mm | 1800m |
| W Casing paramters | ||||||
| Std | OD (mm) | ID (mm) | Wall Thickness (mm) | Thread Pitch (mm) | Pin Thread Length (mm) | Weight (kg/m) |
| AW | 57.20 | 48.40 | 4.40 | 6.35 | 57.20 | 6.00 |
| BW | 73.00 | 60.30 | 6.00 | 6.35 | 63.50 | 11.00 |
| NW | 88.90 | 76.20 | 6.35 | 6.35 | 69.90 | 13.30 |
| HW | 114.30 | 101.60 | 6.35 | 6.35 | 76.20 | 17.30 |
| PW | 139.70 | 127.00 | 6.35 | 8.47 | 82.60 | 23.30 |
